395660482257 has 4 divisors (see below), whose sum is σ = 527547309680. Its totient is φ = 263773654836.

The previous prime is 395660482241. The next prime is 395660482297. The reversal of 395660482257 is 752284066593.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 395660482257 - 2⁴ = 395660482241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 395660482197 and 395660482206.

It is not an unprimeable number, because it can be changed into a prime (395660482207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65943413707 + ... + 65943413712.

It is an arithmetic number, because the mean of its divisors is an integer number (131886827420).

Almost surely, 2^395660482257 is an apocalyptic number.

It is an amenable number.

395660482257 is a deficient number, since it is larger than the sum of its proper divisors (131886827423).

395660482257 is a wasteful number, since it uses less digits than its factorization.

395660482257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131886827422.

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 395660482257 in words is "three hundred ninety-five billion, six hundred sixty million, four hundred eighty-two thousand, two hundred fifty-seven".